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rod knock in the Brat.... ugh!


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well if you haven't seen my previous post about it eating coolant in the past couple days, its there. Drove the bugger to work today but was a little sluggish because its been eating coolant and burning it out the exhaust. Parked it and went into work. Came out for lunch to see if I could possibly figure out where it might be getting coolant from like the baseplate gasket on the carb or an intake gasket, went to turn it over and it goes "knock knock knock CLUNK!". So I tried it again a couple hors later and still it has this horrific knocking sound. Kinda sounds like it might be a starter which I hope it is but how could it get a rod knock from sitting in a parking lot? I know its a little low on oil cause it has a bit of an oilpan gasket leak but it made no noise on my 3 miles drive to work this morning. Also, its been around 10* the past few days if that helps any. I made sure to chekc the coolant level before I left for work this morning since it was pretty low. If anything, I got another engine I can swap into it.... I got a spare starter I can try tomorrow if anything.

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possible hydro-locked cylinder

 

coolant from the intake gasket problem filled a cyl.

 

pull the plugs - crank for 15 seconds

 

reinstall plugs

Ya! just remember you cant compress a liquid, its possible to bend a rod if its hydro-locked,or just put an enormouuse strain on that little rod bearing and take it out all together. Good luck!

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